Home / 236,439.40-354,371.10-103,037.80

Finding the Fourth Proportional to 236,439.40, 354,371.10 and 103,037.80

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Solution

The fourth proportional to 236,439.40, 354,371.10 and 103,037.80 is: 154,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.40 : 354,371.10 = 103,037.80 : x
  2. Step 2: Convert to fraction form
    236,439.40/354,371.10 = 103,037.80/x
  3. Step 3: Cross multiply
    236,439.40x = 354,371.10 × 103,037.80
  4. Step 4: Simplify right side
    236,439.40x = 36,513,618,527.58
  5. Step 5: Solve for x
    x = 36,513,618,527.58/236,439.40
  6. Step 6: Final answer
    x = 154,431.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.